<!DOCTYPE html>
<html class=reftest-wait>
<title>View transitions: writing mode on a container</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<link rel="author" href="mailto:vmpstr@chromium.org">
<link rel="match" href="writing-mode-container-resize-ref.html">
<script src="/common/reftest-wait.js"></script>

<style>
#target {
  view-transition-name: target;
  background: lightblue;
  width: 100px;
  height: 100px;
}
.vertical {
  writing-mode: vertical-lr;
}
::view-transition-group(root) {
  visibility: hidden;
  animation-duration: 500s;
}
::view-transition-old(target) {
  animation: unset;
  opacity: 1;
}
::view-transition-new(target) {
  animation: unset;
  opacity: 0;
}
::view-transition-group(target) {
  height: 50px;
  border: 1px solid black;
  animation: unset;
}
::view-transition {
  background: pink;
}
</style>

<div id=target class=vertical></div>

<script>
failIfNot(document.startViewTransition, "Missing document.startViewTransition");

function runTest() {
  const transition = document.startViewTransition(() => target.remove());
  transition.ready.then(takeScreenshot);
}

onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>
